Enter/Exit virtual environment when workon/deactiavated

postactivate.bash

#!/bin/bash
# This hook is sourced after every virtualenv is activated.
PS1="$_OLD_VIRTUAL_PS1"

PROJECT_DIR="$HOME/Documents/Development/virtualenvs/$(basename $VIRTUAL_ENV)"
if [ -d $PROJECT_DIR ]; then
    # If we aren't already within the project dir, cd into it
    if [[ ! `pwd` == "$PROJECT_DIR*" ]]; then
        export PRE_VENV_ACTIVATE_DIR=`pwd`
        cd "$PROJECT_DIR"
    fi
fi
unset PROJECT_DIR

postdeactivate.bash

#!/bin/bash
# This hook is sourced after every virtualenv is deactivated.
if [ $PRE_VENV_ACTIVATE_DIR ]; then
    cd $PRE_VENV_ACTIVATE_DIR
    unset PRE_VENV_ACTIVATE_DIR
fi